40520233230352 has 80 divisors (see below), whose sum is σ = 81500508633600. Its totient is φ = 19501454868480.

The previous prime is 40520233230329. The next prime is 40520233230359. The reversal of 40520233230352 is 25303233202504.

It is not an unprimeable number, because it can be changed into a prime (40520233230359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70557424 + ... + 71129392.

It is an arithmetic number, because the mean of its divisors is an integer number (1018756357920).

Almost surely, 2^{40520233230352} is an apocalyptic number.

It is an amenable number.

40520233230352 is an abundant number, since it is smaller than the sum of its proper divisors (40980275403248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40520233230352 is a wasteful number, since it uses less digits than its factorization.

40520233230352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573464 (or 573458 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 40520233230352 its reverse (25303233202504), we get a palindrome (65823466432856).

The spelling of 40520233230352 in words is "forty trillion, five hundred twenty billion, two hundred thirty-three million, two hundred thirty thousand, three hundred fifty-two".